The Wheatstone bridge shown in Fig. 28-19 is being used to measure resistance X. At balance, the

Question:

The Wheatstone bridge shown in Fig. 28-19 is being used to measure resistance X. At balance, the current through the galvanometer G is zero and resistances L, M, and N are 3.0 Ω, 2.0 Ω, and 10 Ω, respectively. Find the value of X. a 12 X b G Wo d IL 12 Fig. 28-19 N M